Re: Having performance problems with TSearch2

From: Ares <abaidulin(at)rambler(dot)ru>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: Having performance problems with TSearch2
Date: 2007-03-05 12:59:59
Message-ID: loom.20070305T135429-492@post.gmane.org
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>
> I have problems with queries over tsearch index.I have a table of books, with
> 1200000 registers. I have created an GIST index over the title and subtitle,
> CREATE INDEX "idxts2_titsub_idx" ON "public"."libros" USING gist
("idxts2_titsub");

Your query didn't use index that you are created..
After CREATE INDEX you mast ran VACUUM (FULL recomended) and REINDEX
The query is: select userid,msg,idxfti from _my_msg0 where idxfti @@
to_tsquery('utf8_russian','хочу & трахаться');

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